import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  Input,
  Upload,
  Space,
  Select,
  message
} from 'antd'
import { PlusOutlined } from '@ant-design/icons'
import { Link, useNavigate, useSearchParams } from 'react-router-dom'
import './index.scss'
import ReactQuill from 'react-quill'
import 'react-quill/dist/quill.snow.css'
import { addArticleClassAPI, getArticleInfoByIdAPI,updateArticleAPI } from '@/apis/article'
import {useEffect, useState } from 'react'
import { useChannel } from '@/hooks/useChannel'

const { Option } = Select

const Publish = () => {
  // 6、通过自定义hook函数获取频道列表
  const {channelList} = useChannel()
  const navigate = useNavigate()
  // 2、获取表单数据，提交表单
  const handleFinish = async (formValue) => {
    // console.log(formValue)
    // 5、如果上传的图片数量与实际选择图片数量不一致，则进行提示
    if(imageType !== imageList.length) {
      return message.warning('图片模式与图片数量不匹配！')
    }
    // 将传过来的数据进行结构
    const {title,content,channel_id} = formValue
    // 2.1、结构化表单数据，使其与接口要求数据一致
    const reqData = {
      title,
      content,
      cover:{
        type:imageType,
        images:imageList.map(item => {
          if(item.response) {
            return item.response.data.url
          } else {
            return item.url
          }
        }),
      },
      channel_id
    }
    if(searchId) {
      // 编辑文章
      updateArticleAPI({
        ...reqData,
        id:searchId
      })
    } else {
      // 发布文章
      await addArticleClassAPI(reqData)
    }
    message.success(`文章${searchId?'编辑':'发布'}成功`)
    navigate('/article')
  }


  // 3、处理图片上传
  const [imageList,setImageList] = useState([])
  const handleImgUpload = (info) => {
    // console.log('图片上传中',info)
    
    setImageList(info.fileList)
  }

  // 4、图片类型切换
  const [imageType,setImageType] = useState(0)
  const changeImageType = (e) => {
    setImageType(e.target.value)
    console.log(e.target.value)
  }

  // 5、编辑回显
  // 5.1、获取地址栏中的查询参数id
  const [searchParams] = useSearchParams()
  const searchId = searchParams.get('id')

  // 5.3、获取表单实例对象，回填数据
  const [form] = Form.useForm()

  // 5.2、发送请求获取对应文章详情信息
  useEffect(() => {
    const getArticleInfo = async() => {
      const res = await getArticleInfoByIdAPI(searchId)
      // 5.4、使用form身上的setFieldsValue方法回填基础数据
      // form.setFieldsValue(res.data.data)
      form.setFieldsValue({
        ...res.data.data,
        type:res.data.data.cover.type
      })
      setImageType(res.data.data.cover.type)
      // 回填封面照片
      setImageList(res.data.data.cover.images.map(item => {
        return {url:item}
      }))
    }
    // 5.5、只有编辑文章才调用回显接口
    if(searchId) {
      getArticleInfo()
    }
  },[searchId,form])
  return (
    <div className="publish">
      <Card
        title={
          <Breadcrumb items={[
            { title: <Link to={'/'}>首页</Link> },
            { title: `${searchId?'编辑':'发布'}文章` },
          ]}
          />
        }
      >
        <Form
          labelCol={{ span: 4 }}
          wrapperCol={{ span: 16 }}
          initialValues={{ type: 0 }}
          onFinish={handleFinish}
          form={form}
        >
          <Form.Item
            label="标题"
            name="title"
            rules={[{ required: true, message: '请输入文章标题' }]}
          >
            <Input placeholder="请输入文章标题" style={{ width: 400 }} />
          </Form.Item>
          <Form.Item
            label="频道"
            name="channel_id"
            rules={[{ required: true, message: '请选择文章频道' }]}
          >
            <Select placeholder="请选择文章频道" style={{ width: 400 }}>
              {/* 将频道列表进行渲染 */}
              {channelList.map(item => <Option key={item.id} value={item.id}>{item.name}</Option>)}
              
            </Select>
          </Form.Item>

          {/* 封面上传 */}
          <Form.Item label="封面">
           <Form.Item name="type">
             <Radio.Group onChange={changeImageType}>
               <Radio value={1}>单图</Radio>
               <Radio value={3}>三图</Radio>
               <Radio value={0}>无图</Radio>
             </Radio.Group>
           </Form.Item>
           {imageType>0 && <Upload
             listType="picture-card"
             showUploadList
             name='image'
             action={'http://geek.itheima.net/v1_0/upload'}
             onChange={handleImgUpload}
             maxCount={imageType}
             fileList={imageList}
           >
             <div style={{ marginTop: 8 }}>
               <PlusOutlined />
             </div>
           </Upload>}
           
         </Form.Item>

          <Form.Item
            label="内容"
            name="content"
            rules={[{ required: true, message: '请输入文章内容' }]}
          >
            {/* 富文本编辑器 */}
            <ReactQuill
              className="publish-quill"
              theme="snow"
              placeholder="请输入文章内容"
            />
          </Form.Item>

          <Form.Item wrapperCol={{ offset: 4 }}>
            <Space>
              <Button size="large" type="primary" htmlType="submit">
                发布文章
              </Button>
            </Space>
          </Form.Item>
        </Form>
      </Card>
    </div>
  )
}

export default Publish